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Description
The Shimano GRX RX827 Di2 Wireless rear derailleur paired with a 10-51t cassette (cassette sold separate) gives riders and racers the speed range and robustness to pursue any gravel challenge. With built-in automatic impact recovery an impact-deflecting shape and solid pulleys this derailleur stands up to hard impacts and still retains its lightning-quick shifting performance.Fully wireless shifting built for rough gravel terrain A wide link structure skid-plate design durable aluminum plate and solid pulley add robustness and longevity Automatic Impact Recovery function instantly returns the derailleur to its original position after impact Features Shimano Shadow ES: A slimmer stronger evolution of Shimano's pioneering chain-stabilizing Shadow RD+ concept Tucked safely inside an enclosed space the battery won’t budge even in rough terrain while remaining easily removable for charging
| Largest Cog | 51 |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | 10x1 Standard |
| Drivetrain Speeds | 12 |
| Chain Wrap Capacity (teeth) | 41 |
| Cage Length | Long |
| Color | Black |
Item Specific Details
UPC: 192790290607
Manufacturer Part #: IRDRX827SGSA
Model: GRX RD-RX827 Di2 Wireless Rear Derailleur
Black
Long Cage
Shadow ES
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